Double-edge Nut Files

4.5
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Double-edge Nut Files 0.012" / 0.020"

0.012" / 0.020"

Item # 4541
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$27.34

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Double-edge Nut Files 0.026" / 0.032"

0.026" / 0.032"

Item # 4542
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$27.34

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Double-edge Nut Files 0.036" / 0.042"

0.036" / 0.042"

Item # 4543
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$27.34

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Double-edge Nut Files 0.050" / 0.060"

0.050" / 0.060"

Item # 4544
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$27.34

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Double-edge Nut Files 0.075" / 0.090"

0.075" / 0.090"

Item # 4545
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$27.34

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Double-edge Nut Files 0.105" / 0.120"

0.105" / 0.120"

Item # 4546
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$27.34

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Double-edge Nut Files

The most durable and efficient nut-slotting files available. Specially designed for nut slotting, each file cuts two different width slots.

Each 9/16" x 7-5/8" (14.29mm x 193.67mm) steel file cuts on the edges only, and tapers from the center to a different thickness on each cutting edge. The set of six files does the work of twelve!

Rubber-coated handles give firm, comfortable control for the job. The complete set includes edge widths for filing round-bottom nut slots on most stringed instruments, including basses. Each file's cutting edge is approximately 3-7/8" (98.43mm) long.

What files do I need?
Choose nut slotting files that are the same size or no more that a few thousands larger than your individual string gauges. A smaller file can also be rocked side-to-side to widen a slot to the desired size. For example, you can cut a .043" slot with a .042" file by moving it around a bit.

The most popular Double-edge Nut Files are included in the Essential Nut Making Tool Kit, which has all the basic tools you'll need for shaping, string-spacing, slotting and fitting string nuts like a pro.

Tip: Customize your files
We recommend that you mark on each side of your files so while working you can quickly tell the different gauge of cut.

Here's how: make a cut on a scrap piece of bone or wood with both sides of the nut file, then measure the width of each cut with feeler gauges to determine which side is which. Guitar strings of known gauges will also work as measuring tools in a pinch.

Once you have determined the proper edge, mark the file accordingly with a permanent marker.


Product Instructions

Making a Nut, Step-by-Step

Dan Erlewine, of Stewart-MacDonald's R&D Team, walks you through making and installing a new nut.

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4.5
  • 4.41 average rating from 73 reviews
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3.0

Dull quickly....

By
(Customer's Reviews)


To be fair, I have been very satisfied with all the products I have purchased from Stew Mac. These files however are the one exception. Given their cost, they dull way too quickly. They are fine for softer plastic and graphite nuts but for harder bone, brass, etc., you are lucky if you get a half dozen good jobs out of them. 'Recommend for the weekend luthier but not for the pro. Stew Mac, you can do better.

5.0

No substitute for these

By
(Customer's Reviews)


I have tried all the poor-man's work-arounds; welding tip cleaners, needle files, you name it. Finally sprung for a small assortment of these, and holy cow, I can't believe how much faster, easier and more accurately you can slot a nut with them. Nice quality, cuts a metal saddle with ease too.

5.0

Excellent!

By
(Customer's Reviews)


Fabulous quality. I hand marked with a fine tip Sharpie as instructed and uploaded photo to help future buyers of this product.

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